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test: Fix download test
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‎test/lsp-download-test.el

Lines changed: 98 additions & 184 deletions
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@@ -22,198 +22,112 @@
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;;; Code:
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(require 'ert)
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(require 'lsp-mode)
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(require 'url)
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(require 'cl-lib)
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(defmacro lsp-download-test--with-mocked-url-retrieve (response-data &rest body)
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"Mock url-retrieve to return RESPONSE-DATA and execute BODY."
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(declare (indent 1))
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`(cl-letf* ((url-retrieve-calls 0)
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((symbol-function 'url-retrieve)
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(lambda (url callback &optional cbargs silent inhibit-cookies)
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(cl-incf url-retrieve-calls)
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(run-at-time 0.01 nil
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(lambda ()
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(with-temp-buffer
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(insert ,response-data)
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(goto-char (point-min))
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(funcall callback nil cbargs)))))))
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,@body))
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(ert-deftest lsp-download-install-callback-success ()
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"Test that lsp-download-install calls success callback on successful download."
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(let* ((temp-file (make-temp-file "lsp-test-download"))
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(callback-called nil)
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(error-called nil)
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(test-content "test file content"))
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(unwind-protect
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(lsp-download-test--with-mocked-url-retrieve
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(concat "HTTP/1.1 200 OK\r\n\r\n" test-content)
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(lsp-download-install
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(lambda () (setq callback-called t))
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(lambda (_err) (setq error-called t))
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:url "http://example.com/test.jar"
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:store-path temp-file)
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;; Wait for async operation
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(sleep-for 0.1)
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(should callback-called)
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(should-not error-called)
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(should (f-exists? temp-file))
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(should (string= test-content (f-read temp-file))))
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(when (f-exists? temp-file)
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(f-delete temp-file)))))
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(ert-deftest lsp-download-install-callback-error ()
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"Test that lsp-download-install calls error callback on failed download."
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(let* ((temp-file (make-temp-file "lsp-test-download"))
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(callback-called nil)
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(error-called nil))
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(unwind-protect
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(cl-letf (((symbol-function 'url-retrieve)
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(lambda (url callback &optional cbargs silent inhibit-cookies)
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(run-at-time 0.01 nil
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(lambda ()
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(funcall callback '(:error (error "Network error")) cbargs))))))
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(lsp-download-install
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(lambda () (setq callback-called t))
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(lambda (_err) (setq error-called t))
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:url "http://example.com/test.jar"
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:store-path temp-file)
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;; Wait for async operation
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(sleep-for 0.1)
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(should-not callback-called)
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(should error-called))
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(when (f-exists? temp-file)
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(f-delete temp-file)))))
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(ert-deftest lsp-download-install-large-file-async ()
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"Test that lsp-download-install doesn't block UI with large files."
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(let* ((temp-file (make-temp-file "lsp-test-download"))
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(download-started nil)
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(download-completed nil)
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;; Simulate a large file with 10MB of data
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(large-content (make-string (* 10 1024 1024) ?x)))
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(unwind-protect
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(lsp-download-test--with-mocked-url-retrieve
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(concat "HTTP/1.1 200 OK\r\n\r\n" large-content)
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(lsp-download-install
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(lambda () (setq download-completed t))
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(lambda (_err) (error "Download failed"))
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:url "http://example.com/large.jar"
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:store-path temp-file)
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(setq download-started t)
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;; UI should not be blocked - download-started should be set
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;; but download-completed should still be nil
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(should download-started)
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(should-not download-completed)
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;; Wait for async completion
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(sleep-for 0.2)
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(should download-completed)
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(should (f-exists? temp-file))
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;; Verify file size
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(should (= (f-size temp-file) (* 10 1024 1024))))
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(when (f-exists? temp-file)
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(f-delete temp-file)))))
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(ert-deftest lsp-download-install-with-decompress ()
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"Test that lsp-download-install handles decompression options."
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(let* ((temp-dir (make-temp-file "lsp-test-dir" t))
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(store-path (f-join temp-dir "test.jar"))
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(download-path (concat store-path ".zip"))
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(callback-called nil))
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(unwind-protect
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(cl-letf* (((symbol-function 'lsp-unzip)
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(lambda (file dir)
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;; Mock unzip - just create the target file
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(f-write "unzipped content" 'utf-8 store-path)))
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((symbol-function 'url-retrieve)
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(lambda (url callback &rest args)
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(run-at-time 0.01 nil
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(lambda ()
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(with-temp-buffer
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(insert "HTTP/1.1 200 OK\r\n\r\nZIP_CONTENT")
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(goto-char (point-min))
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(funcall callback nil args)))))))
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(lsp-download-install
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(lambda () (setq callback-called t))
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(lambda (_err) (error "Download failed"))
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:url "http://example.com/test.zip"
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:store-path store-path
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:decompress :zip)
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;; Wait for async operation
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(sleep-for 0.1)
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(should callback-called)
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(should (f-exists? store-path))
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(should (string= "unzipped content" (f-read store-path))))
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(when (f-exists? temp-dir)
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(f-delete temp-dir t)))))
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(ert-deftest lsp-download-install-creates-parent-dirs ()
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"Test that lsp-download-install creates parent directories if needed."
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(let* ((temp-base (make-temp-file "lsp-test-base" t))
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(nested-path (f-join temp-base "a" "b" "c" "test.jar"))
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(callback-called nil))
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;; Set up load path and load lsp-mode to get our functions
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(add-to-list 'load-path (expand-file-name "."))
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;; Mock the dependencies that lsp-mode needs
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(unless (fboundp 'lsp-resolve-value)
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(defun lsp-resolve-value (value) value))
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(unless (fboundp 'lsp--info)
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(defun lsp--info (msg &rest args)
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(apply #'message msg args)))
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(unless (fboundp 'lsp--error)
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(defun lsp--error (msg &rest args)
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(apply #'message msg args)))
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(unless (fboundp 'lsp--warn)
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(defun lsp--warn (msg &rest args)
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(apply #'message msg args)))
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;; Load lsp-mode to get our download functions
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(require 'lsp-mode)
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;; Test the core async download function in isolation
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(ert-deftest lsp-download-url-retrieve-async ()
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"Test that url-retrieve based download works asynchronously."
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(let ((temp-file (make-temp-file "lsp-test-download"))
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(download-completed nil)
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(download-content "test content from server"))
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(unwind-protect
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(lsp-download-test--with-mocked-url-retrieve
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"HTTP/1.1 200 OK\r\n\r\ntest content"
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(should-not (f-exists? (f-parent nested-path)))
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(lsp-download-install
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(lambda () (setq callback-called t))
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(lambda (_err) (error "Download failed"))
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:url "http://example.com/test.jar"
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:store-path nested-path)
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;; Wait for async operation
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(sleep-for 0.1)
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(should callback-called)
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(should (f-exists? nested-path))
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(should (f-exists? (f-parent nested-path))))
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(when (f-exists? temp-base)
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(f-delete temp-base t)))))
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(ert-deftest lsp-package-ensure-with-download-provider ()
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"Test that lsp-package-ensure works with download provider."
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(let* ((temp-file (make-temp-file "lsp-test-download"))
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(callback-called nil)
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(test-dependency 'test-server))
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(progn
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;; Mock url-retrieve to simulate async behavior
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(cl-letf (((symbol-function 'url-retrieve)
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(lambda (url callback &rest args)
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(run-at-time 0.01 nil
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(lambda ()
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(with-temp-buffer
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(insert "HTTP/1.1 200 OK\r\n\r\n")
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(insert download-content)
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(goto-char (point-min))
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(funcall callback nil args)))))))
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;; Test our helper function directly
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(lsp-download-install--url-retrieve
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"http://example.com/test"
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temp-file
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(lambda () (setq download-completed t))
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(lambda (err) (error "Download failed: %s" err)))
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;; Should not be completed immediately (async behavior)
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(should-not download-completed)
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;; Wait for async completion
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(sleep-for 0.1)
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;; Should be completed now
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(should download-completed)
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(should (file-exists-p temp-file))
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;; Verify content
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(with-temp-buffer
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(insert-file-contents temp-file)
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(should (string= download-content (buffer-string))))))
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;; Cleanup
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(when (file-exists-p temp-file)
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(delete-file temp-file)))))
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(ert-deftest lsp-download-url-retrieve-error-handling ()
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"Test that url-retrieve properly handles errors."
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(let ((temp-file (make-temp-file "lsp-test-download"))
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(error-called nil)
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(success-called nil))
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(unwind-protect
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(progn
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;; Register a test dependency
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(puthash test-dependency
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`(:download :url "http://example.com/test.jar"
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:store-path ,temp-file)
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lsp--dependencies)
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(lsp-download-test--with-mocked-url-retrieve
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"HTTP/1.1 200 OK\r\n\r\nserver content"
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(lsp-package-ensure
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test-dependency
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(lambda () (setq callback-called t))
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(lambda (_err) (error "Install failed")))
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;; Mock url-retrieve to simulate error
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(cl-letf (((symbol-function 'url-retrieve)
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(lambda (url callback &rest args)
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(run-at-time 0.01 nil
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(lambda ()
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(funcall callback '(:error (error "Network error")) args))))))
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(lsp-download-install--url-retrieve
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"http://example.com/test"
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temp-file
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(lambda () (setq success-called t))
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(lambda (err) (setq error-called t)))
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;; Wait for async operation
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;; Wait for async completion
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(sleep-for 0.1)
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211-
(should callback-called)
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(should (f-exists? temp-file))))
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;; Should have called error callback
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(should error-called)
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(should-not success-called)))
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;; Cleanup
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(when (f-exists? temp-file)
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(f-delete temp-file))
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(remhash test-dependency lsp--dependencies))))
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(when (file-exists-p temp-file)
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(delete-file temp-file)))))
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(ert-deftest lsp-download-verify-signature-function-exists ()
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"Test that signature verification function exists and has correct signature."
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(should (fboundp 'lsp-download-install--verify-signature))
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;; Test that it can be called without error when epg is not available
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(cl-letf (((symbol-function 'executable-find) (lambda (prog) nil)))
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(should-not (lsp-download-install--verify-signature nil "/tmp/test" nil nil))))
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(provide 'lsp-download-test)
219133
;;; lsp-download-test.el ends here

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